Chest is one of the largest muscles in the upper body. This muscle includes pectoralis major and minor. In most cases, chest workouts involve pushing arms away from body pectoralis.

Shoulders or deltoids are among the most important and used muscles in human body. Deltoids have three sections: Anterior, lateral and posterior. 

Triceps muscle is located in the upper arm. Triceps plays a crucial role in stabilizing the shoulders- unstable joint. Triceps need more time to recover from workout, so training once or twice a week is best. 

Back plays a major role for different functions of body. It attaches and connect neck, chest, shoulders, abs, and hips. Benefits of exercising the back: Strengthening back (more power and force), injury prevention (posture improvement), and V- shaped look and slimmer waistline (aesthetics).   

Biceps help control motion of two important joints: Shoulder and elbow. Biceps are key support to the elbow and forearm in lifting. Bicep curls is among the most popular arm’s toning exercises. Curls is a single joint isolation movement that targets brachii, brachialis, and brachoradialis. 

Legs

Legs are among the largest muscles in the body. Strong and well-developed legs are a key source of power in any sport. Benefits of strong legs: Increase strength in upper body and improve endurance. Exercises as squats and deadlifts strengthen legs and lower back. For men, legs workout might help to increase testosterone release into the blood stream.